<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Bootstrap-组件</title>
    <link rel="stylesheet" href="./bootstrap/css/bootstrap.css">
    <style>
        .bg-body-tertiary {
            background-color: pink !important;
        }
    </style>
</head>
<body>
<nav class="navbar navbar-expand-lg bg-body-tertiary">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Navbar</a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarNav">
            <ul class="navbar-nav">
                <li class="nav-item">
                    <a class="nav-link active" aria-current="page" href="#">首页</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">课程</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">课程资料</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">视频</a>
                </li>

            </ul>
        </div>
    </div>
</nav>

<div id="carouselExampleIndicators" class="carousel slide">
    <div class="carousel-indicators">
        <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
        <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="1" aria-label="Slide 2"></button>
        <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="2" aria-label="Slide 3"></button>
        <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="3" aria-label="Slide 4"></button>
    </div>
    <div class="carousel-inner">
        <div class="carousel-item active">
            <img src="./images/banner_1.jpg" class="d-block w-100" alt="...">
        </div>
        <div class="carousel-item">
            <img src="./images/banner_2.jpg" class="d-block w-100" alt="...">
        </div>
        <div class="carousel-item">
            <img src="./images/banner_3.jpg" class="d-block w-100" alt="...">
        </div>
        <div class="carousel-item">
            <img src="./images/banner_4.jpg" class="d-block w-100" alt="...">
        </div>
    </div>
    <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="prev">
        <span class="carousel-control-prev-icon" aria-hidden="true"></span>
        <span class="visually-hidden">Previous</span>
    </button>
    <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="next">
        <span class="carousel-control-next-icon" aria-hidden="true"></span>
        <span class="visually-hidden">Next</span>
    </button>
</div>

<script src="bootstrap/js/bootstrap.js"></script>
</body>
</html>
